{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["education degree", "place of birth", "education institution", "place of death"], "input": "David Aikman graduated from Oxford University of Oxford 's Worcester College in 1965 and gained a PhD from the University of Washington in Russian and Chinese history in 1979."}
{"education degree": [], "place of birth": [], "education institution": [{"subject": "David Aikman", "object": "University of Oxford"}], "place of death": []}